How To Operate The Touch Screen - Mettler Toledo SevenDirect SD23 Benutzerhandbuch

# Description
5 Sensor name
6 Sample ID
7 Range indicator
8 Reading

3.3.3 How to operate the touch screen

The meter is operated by using a finger tapping on the touch screen.
NOTICE
Danger of damaging the touch screen with pointed or sharp objects!
Pressing on the touch screen with pointed or sharp objects may be damaged it.
Operate the touch screen by applying gentle pressure with the pad of your finger.
SevenDirect™ SD23
Function
Displays the information of the selected sensor.
Tap to change to another sensor if no sensor is defined in the method and
no ISM sensor is connected.
1. pH electrode condition
Slope: 95-105% / Offset: ±(0-20) mV (Electrode is in good
condition)
Slope: 94-90% / Offset: ±(20-35) mV (Electrode needs
cleaning)
Slope: 89-85% / Offset: ±(>35) mV (Electrode is defective or too
old)
2. Informs about whether a calibration is due based on:
Methods > Calibration > Calibration reminder
Menu > Settings > Analysis settings > Calibration expiry action
3. Inform about whether a verification is due based on:
Methods > Verification > Verification reminder
Menu > Settings > Analysis settings > Verification expiry action
Displays the information of the sample ID.
Tap to set the sample ID manually.
Only visible for pH measurement mode.
The green area shows the range covered by the current calibration.
The bold vertical line will move to indicate the current measured value.
If Methods > Measure > Limits of the measurement are defined, the limits
are also indicated on the bar, marked as vertical lines.
Displays the measurement value and used measurement unit.
pH: raw value 'mV' with unit 'pH', 'mV'
Conductivity: raw value 'Ω' with unit:
For Conductivity mode: μS/cm, mS/cm, S/m, μS/m, mS/m
For TDS mode: ppt (
For Salinity: psu, ppt
For Resistivity: MΩ.cm, kΩ.cm, Ω.cm
Redox: raw value 'mV' with unit 'mV', 'Rel.mV'
0
/ ), mg/L, ppm, g/L
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